硬度检测是否在去除了氧化皮的表面上进行?
Is hardness tested on a surface that has been ground to remove decarburization?
方法仪器由介入超声硬度检测导管、生理信号单元和主机组成。
Methods the equipment was composed of intervention ultrasound stiffness detection catheter, physiological signal unit and mainframe.
通过对焊接接头的硬度检测,发现熔合区硬度下降,焊缝区略有上升。
The hardness tests on welding joints prove this by showing that the hardness reduces in fusion area, and increases slightly in weld zone.
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